// JavaScript Document

var agt=navigator.userAgent.toLowerCase();
 var is_opera = (agt.indexOf("opera") != -1);
if (is_opera) {
document.write('<link rel="stylesheet" type="text/css" href="/css/operahack.css">');
}

var is_safari = (agt.indexOf("safari") != -1);
if (is_safari) {
document.write('<link rel="stylesheet" type="text/css" href="/css/safarihack.css">');
}

function doc_filter(){
	var elems=document.getElementById('menuDocs').childNodes;
	var hidden=0;
	for (var x=0;x<elems.length;x++) {
		if(elems[x].className=="documents_item") {
			var realchilds=elems[x].getElementsByTagName("A");
			var pos=realchilds[0].innerHTML.toUpperCase().indexOf(document.getElementById('filter_docs').value.toUpperCase());
			if (pos==-1) {
				elems[x].style.display="none";
				hidden=hidden+1;
			}
			else elems[x].style.display="block";
		}
	}
	
	if (elems.length==hidden) {
		document.getElementById("not_found").style.display="block";
	} else {
		document.getElementById("not_found").style.display="none";
	}
	
}